Anritsu Spectrum Master MS2711D Maintenance Manual page 28

10. Record the new sensor A reading in column B of Table 11.
11. Record Sensor B reading in column D of Table 11.
12. Calculate the Splitter/Attenuator Combined Loss using the following formula and record the re-
sult in column C of Table 11: C = A – B
13. Calculate the Sensor B path Power Splitter Loss using the following formula and record the re-
sult in column E of Table 11: E = A – D
14. On the power meter, press the
play the sensor A reading.
15. Repeat steps 4 through 11 for 1000 MHz, 2000 MHz and 2850 MHz.
16. Calculate the desired Sensor B Reading for –30 dBm Test Power Level at the end of 10 dB at-
tenuator using the following formula: Desired Sensor B Reading = Test Power Level + C – E
17. Record the calculated results in Table 12.
Table 12. –30 dBm Test Power Level
Freq (MHz)
50
1000
2000
2850
18. Using the power splitter, coaxial cable and adapters, connect the Spectrum Master to the signal
source and the power sensor as shown in Figure 5.
Figure 5. Power Meter Verification Setup
19. Connect the external power supply (Anritsu part number 40-168) to the Spectrum Master.
20. On the Spectrum Master, press and hold the
turn on the Spectrum Master. (This sets the instrument to the factory preset state.)
21. Press the
MODE
22. Press the
Center
50 MHz.
24
soft key seven times and then press the
INPUT
Desired Sensor B Reading for –30 dBm Input to Spectrum Master
ML2438A POWER METER
F r e q u e n c y C l e a r B a c k
E n t r y S p a c e
L e v e l
7 8 9
M o d u l a t i o n
4 5 6
S y s t e m
1 2 3
.
0 + / -
L i n e O p e r a t e
S t a n d b y
MG3692A SOURCE
34RSN50 ADAPTER
key. Use the Up/Down arrow key to highlight
soft key and enter , then press the
50
MA2442A
O u t p u t
O n O f f
15NNF50-1.5C
R F O u t p u t
5 0 9
N241A50
10 dB
ATTENUATOR
34NN50A
ADAPTER
MT8212A
CellMaster
ESCAPE
1 2 CLEAR
START AUTO
CAL SCALE
3 4
SAVE RECALL
SETUP SETUP
5 6
LIMIT MARKER
ENTER
7 8
SAVE RECALL RUN
DISPLAY DISPLAY HOLD
9
0
PRINT
ON
SYS
OFF .
MODE FREQ/DIST AMPLITUDE MEAS/DISP
S332D
key, then press the
ESCAPE/CLEAR
Power Meter
soft key to set the center frequency to
MHz
key to dis-
System
+
/ -
key to
ON/OFF
and then press
ENTER
Spectrum Master MM
.